refactored the layout:

removed fixed head, replaced with flex
moved pagetitle and searchform to headerbottom region
added Common store to vuejs with pagetitle data
added pagetitle vuejs component

web/themes/custom/materiotheme/vuejs/store/index.js

@@ -1,5 +1,6 @@
 import Vue from 'vue'
 import Vuex from 'vuex'
+import Common from './modules/common'
 import User from './modules/user'
 import Search from './modules/search'
 
@@ -8,6 +9,7 @@ import Search from './modules/search'
 Vue.use(Vuex)
 export default new Vuex.Store({
   modules: {
+    Common,
     User,
     Search
   }